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12273 (1990 TS4)
Classification: Main-belt Asteroid          SPK-ID: 2012273
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06404671664902913 6.091e-08  
a 2.63535311115331 2.2863e-08 AU
q 2.466567397173137 1.6218e-07 AU
i 10.0112270500833 6.373e-06 deg
node 101.213366821098 3.5094e-05 deg
peri 296.6740592706122 6.1457e-05 deg
M 227.7026663545601 5.3494e-05 deg
tp 2457574.755600487630
(2016-Jul-05.25560049)
0.00023515 JED
period 1562.631766484378
4.28
2.0335e-05
5.567e-08
d
yr
n .2303805718796637 2.998e-09 deg/d
Q 2.804138825133483 2.4327e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      9964 days (27.28 yr)  
   first obs. used      1988-03-18  
   last obs. used      2015-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52899  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:09:09  

Additional Information
 Earth MOID = 1.49397 AU 
 T_jup = 3.373 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3 mag n/a MPO263459  

12273 (1990 TS4)          Discovered 1990-Oct-09 by McNaught, R. H. at Siding Spring
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 TS4 = 1988 FR1 = 1990 UN11 = 1996 BB18 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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